/Engine/Plugins/Experimental/StructUtils/Source/StructUtils/Public/PropertyBag.h
Adds a new container property to the bag. If property of same name already exists, it will be replaced with the new type.
void AddContainerProperty ( const [FName](API\Runtime\Core\UObject\FName) InName, const [FPropertyBagContainerTypes](API\Plugins\StructUtils\FPropertyBagContainerTypes) InContainerTypes, const [EPropertyBagPropertyType](API\Plugins\StructUtils\EPropertyBagPropertyType) InValueType, [UObject](API\Runtime\CoreUObject\UObject\UObject) * InValueTypeObject )